Mash's Wayne Rogers exited the show early and went on to front his own medical comedy - a hit show that was quickly ruined by a disastrous firing. Wayne Rogers left Mash after season three, largely due to his role being gradually reduced. When the star signed on, the sitcom was intended as a two-hander focused on Rogers' Trapper John and Alan Alda's Hawkeye. When it became clear Alda was the breakout star, the writers focused their attention on him, while Trapper increasingly became the sidekick.

Following the shock death of Henry Blake in Mash's season 3 finale, Rogers decided to leave before the fourth series. Compared to many of the actors who exited Mash during its run, Rogers did quite well in the years that followed, including fronting the detective series City of Angels and appearing in gender-flipped It's a Wonderful Life remake It Happened One Christmas in...